/* 通用的样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
  }
  
  body {
    background-color: #f4f7fc;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }
  
  .form-box {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 24px;
  }
  
  /* 输入框样式 */
  input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
  }
  
  input:focus {
    border-color: #007bff;
  }
  
  /* 按钮样式 */
  button {
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  button:hover {
    background-color: #0056b3;
  }
  
  button:active {
    background-color: #004080;
  }
  
  /* 链接样式 */
  p {
    margin-top: 15px;
    font-size: 14px;
  }
  
  a {
    color: #007bff;
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  /* 屏幕适配 */
  @media (max-width: 768px) {
    .container {
      padding: 15px;
    }
  
    h2 {
      font-size: 20px;
    }
  
    input, button {
      font-size: 14px;
    }
  }